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76 relations: Advanced Micro Devices, Arbiter (electronics), ARM architecture, Autonomous peripheral operation, Blitter, Burst mode (computing), Bus mastering, Cache (computing), Cache coherence, Cache invalidation, Cell (microprocessor), Central processing unit, Channel I/O, Computer data storage, Control bus, Conventional PCI, CPU cache, Cycle stealing, DDR2 SDRAM, Digital signal processor, Disk storage, DMA attack, Dynamic random-access memory, Embedded system, Floppy disk, FreeBSD, General-purpose computing on graphics processing units, Greg Kroah-Hartman, Hard disk drive, Hardware register, HyperTransport, I/O Acceleration Technology, IBM Personal Computer, IBM Personal Computer/AT, IBM Personal System/2, IEEE 1284, Industry Standard Architecture, Infrared Data Association, Input/output, Input–output memory management unit, Intel, Intel 80386, Intel 8237, Interrupt, Larrabee (microarchitecture), Linux kernel, List of interface bit rates, LWN.net, Memory access pattern, Memory address, ..., Memory latency, MPSoC, Multi-core processor, Multiple buffering, Network interface controller, Northbridge (computing), Parallel ATA, Physical Address Extension, Polling (computer science), Programmed input/output, Random-access memory, Remote direct memory access, Schematic, Scratchpad memory, Socket AM2, Sound card, Southbridge (computing), Super I/O, System on a chip, Three-state logic, UDMA, Vectored I/O, Video card, Word (computer architecture), X86-64, Xeon. Expand index (26 more) »
Advanced Micro Devices
Advanced Micro Devices, Inc. (AMD) is an American multinational semiconductor company based in Santa Clara, California, that develops computer processors and related technologies for business and consumer markets.
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Arbiter (electronics)
Arbiters are electronic devices that allocate access to shared resources.
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ARM architecture
ARM, previously Advanced RISC Machine, originally Acorn RISC Machine, is a family of reduced instruction set computing (RISC) architectures for computer processors, configured for various environments.
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Autonomous peripheral operation
In computing autonomous peripheral operation is a hardware feature found in some modern microcontroller architectures to off-load certain tasks into embedded autonomous peripherals in order to minimize latencies and improve throughput in hard real-time applications as well as to save energy in ultra-low-power designs.
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Blitter
A blitter is a circuit, sometimes as a coprocessor or a logic block on a microprocessor, dedicated to the rapid movement and modification of data within a computer's memory.
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Burst mode (computing)
Burst mode (alternatively burst-mode) is a generic electronics term referring to any situation in which a device is transmitting data repeatedly without going through all the steps required to transmit each piece of data in a separate transaction.
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Bus mastering
In computing, bus mastering is a feature supported by many bus architectures that enables a device connected to the bus to initiate direct memory access (DMA) transactions.
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Cache (computing)
In computing, a cache, is a hardware or software component that stores data so future requests for that data can be served faster; the data stored in a cache might be the result of an earlier computation, or the duplicate of data stored elsewhere.
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Cache coherence
In computer architecture, cache coherence is the uniformity of shared resource data that ends up stored in multiple local caches.
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Cache invalidation
Cache invalidation is a process in a computer system whereby entries in a cache are replaced or removed.
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Cell (microprocessor)
Cell is a multi-core microprocessor microarchitecture that combines a general-purpose Power Architecture core of modest performance with streamlined coprocessing elements which greatly accelerate multimedia and vector processing applications, as well as many other forms of dedicated computation.
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Central processing unit
A central processing unit (CPU) is the electronic circuitry within a computer that carries out the instructions of a computer program by performing the basic arithmetic, logical, control and input/output (I/O) operations specified by the instructions.
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Channel I/O
In computing, channel I/O is a high-performance input/output (I/O) architecture that is implemented in various forms on a number of computer architectures, especially on mainframe computers.
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Computer data storage
Computer data storage, often called storage or memory, is a technology consisting of computer components and recording media that are used to retain digital data.
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Control bus
In computer architecture, a control bus is part of the system bus, used by CPUs for communicating with other devices within the computer.
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Conventional PCI
Conventional PCI, often shortened to PCI, is a local computer bus for attaching hardware devices in a computer.
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CPU cache
A CPU cache is a hardware cache used by the central processing unit (CPU) of a computer to reduce the average cost (time or energy) to access data from the main memory.
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Cycle stealing
In computing, traditionally cycle stealing is a method of accessing computer memory (RAM) or bus without interfering with the CPU.
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DDR2 SDRAM
DDR2 SDRAM is a double data rate synchronous dynamic random-access memory interface.
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Digital signal processor
A digital signal processor (DSP) is a specialized microprocessor (or a SIP block), with its architecture optimized for the operational needs of digital signal processing.
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Disk storage
Disk storage (also sometimes called drive storage) is a general category of storage mechanisms where data is recorded by various electronic, magnetic, optical, or mechanical changes to a surface layer of one or more rotating disks.
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DMA attack
A DMA attack is a type of side channel attack in computer security, in which an attacker can penetrate a computer or other device, by exploiting the presence of high-speed expansion ports that permit direct memory access ("DMA").
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Dynamic random-access memory
Dynamic random-access memory (DRAM) is a type of random access semiconductor memory that stores each bit of data in a separate tiny capacitor within an integrated circuit.
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Embedded system
An embedded system is a computer system with a dedicated function within a larger mechanical or electrical system, often with real-time computing constraints.
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Floppy disk
A floppy disk, also called a floppy, diskette, or just disk, is a type of disk storage composed of a disk of thin and flexible magnetic storage medium, sealed in a rectangular plastic enclosure lined with fabric that removes dust particles.
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FreeBSD
FreeBSD is a free and open-source Unix-like operating system descended from Research Unix via the Berkeley Software Distribution (BSD).
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General-purpose computing on graphics processing units
General-purpose computing on graphics processing units (GPGPU, rarely GPGP) is the use of a graphics processing unit (GPU), which typically handles computation only for computer graphics, to perform computation in applications traditionally handled by the central processing unit (CPU).
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Greg Kroah-Hartman
Greg Kroah-Hartman (GKH) is a Linux kernel developer.
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Hard disk drive
A hard disk drive (HDD), hard disk, hard drive or fixed disk is an electromechanical data storage device that uses magnetic storage to store and retrieve digital information using one or more rigid rapidly rotating disks (platters) coated with magnetic material.
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Hardware register
In digital electronics, especially computing, hardware registers are circuits typically composed of flip flops, often with many characteristics similar to memory, such as.
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HyperTransport
HyperTransport (HT), formerly known as Lightning Data Transport (LDT), is a technology for interconnection of computer processors.
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I/O Acceleration Technology
I/O Acceleration Technology (I/OAT) is a DMA engine (an embedded DMA controller) by Intel bundled with high-end server motherboards, that offloads memory copies from the main processor by performing direct memory accesses (DMA).
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IBM Personal Computer
The IBM Personal Computer, commonly known as the IBM PC, is the original version and progenitor of the IBM PC compatible hardware platform.
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IBM Personal Computer/AT
The IBM Personal Computer AT, more commonly known as the IBM AT and also sometimes called the PC AT or PC/AT, was IBM's second-generation PC, designed around the 6 MHz Intel 80286 microprocessor and released in 1984 as System Unit 5170.
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IBM Personal System/2
The Personal System/2 or PS/2 was IBM's third generation of personal computers.
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IEEE 1284
IEEE 1284 is a standard that defines bi-directional parallel communications between computers and other devices.
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Industry Standard Architecture
Industry Standard Architecture (ISA) is a retronym term for the 16-bit internal bus of IBM PC/AT and similar computers based on the Intel 80286 and its immediate successors during the 1980s.
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Infrared Data Association
The Infrared Data Association (IrDA) is an industry-driven interest group that was founded in 1993 by around 50 companies.
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Input/output
In computing, input/output or I/O (or, informally, io or IO) is the communication between an information processing system, such as a computer, and the outside world, possibly a human or another information processing system.
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Input–output memory management unit
In computing, an input–output memory management unit (IOMMU) is a memory management unit (MMU) that connects a direct-memory-access–capable (DMA-capable) I/O bus to the main memory.
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Intel
Intel Corporation (stylized as intel) is an American multinational corporation and technology company headquartered in Santa Clara, California, in the Silicon Valley.
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Intel 80386
The Intel 80386, also known as i386 or just 386, is a 32-bit microprocessor introduced in 1985.
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Intel 8237
Intel 8237 is a direct memory access (DMA) controller, a part of the MCS 85 microprocessor family.
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Interrupt
In system programming, an interrupt is a signal to the processor emitted by hardware or software indicating an event that needs immediate attention.
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Larrabee (microarchitecture)
Larrabee is the codename for a cancelled GPGPU chip that Intel was developing separately from its current line of integrated graphics accelerators.
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Linux kernel
The Linux kernel is an open-source monolithic Unix-like computer operating system kernel.
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List of interface bit rates
This is a list of interface bit rates, is a measure of information transfer rates, or digital bandwidth capacity, at which digital interfaces in a computer or network can communicate over various kinds of buses and channels.
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LWN.net
LWN.net is a computing webzine with an emphasis on free software and software for Linux and other Unix-like operating systems.
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Memory access pattern
In computing, a memory access pattern or IO access pattern is the pattern with which a system or program reads and writes memory or secondary storage.
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Memory address
In computing, a memory address is a reference to a specific memory location used at various levels by software and hardware.
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Memory latency
In computing, memory latency is the time (the latency) between initiating a request for a byte or word in memory until it is retrieved by a processor.
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MPSoC
The multiprocessor system-on-chip (MPSoC) is a system-on-a-chip (SoC) which uses multiple processors (see multi-core), usually targeted for embedded applications.
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Multi-core processor
A multi-core processor is a single computing component with two or more independent processing units called cores, which read and execute program instructions.
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Multiple buffering
In computer science, multiple buffering is the use of more than one buffer to hold a block of data, so that a "reader" will see a complete (though perhaps old) version of the data, rather than a partially updated version of the data being created by a "writer".
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Network interface controller
A network interface controller (NIC, also known as a network interface card, network adapter, LAN adapter or physical network interface, and by similar terms) is a computer hardware component that connects a computer to a computer network.
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Northbridge (computing)
A northbridge or host bridge is one of the two chips in the core logic chipset architecture on a PC motherboard, the other being the southbridge.
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Parallel ATA
Parallel ATA (PATA), originally, is an interface standard for the connection of storage devices such as hard disk drives, floppy disk drives, and optical disc drives in computers.
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Physical Address Extension
In computing, Physical Address Extension (PAE), sometimes referred to as Page Address Extension, is a memory management feature for the x86 architecture.
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Polling (computer science)
Polling, or polled operation, in computer science, refers to actively sampling the status of an external device by a client program as a synchronous activity.
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Programmed input/output
Programmed input/output (PIO) is a method of transferring data between the CPU and a peripheral, such as a network adapter or an ATA storage device.
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Random-access memory
Random-access memory (RAM) is a form of computer data storage that stores data and machine code currently being used.
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Remote direct memory access
In computing, remote direct memory access (RDMA) is a direct memory access from the memory of one computer into that of another without involving either one's operating system.
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Schematic
A schematic, or schematic diagram, is a representation of the elements of a system using abstract, graphic symbols rather than realistic pictures.
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Scratchpad memory
Scratchpad memory (SPM), also known as scratchpad, scratchpad RAM or local store in computer terminology, is a high-speed internal memory used for temporary storage of calculations, data, and other work in progress.
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Socket AM2
The Socket AM2, renamed from Socket M2 (to prevent using the same name as Cyrix MII processors), is a CPU socket designed by AMD for desktop processors, including the performance, mainstream and value segments.
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Sound card
A sound card (also known as an audio card) is an internal expansion card that provides input and output of audio signals to and from a computer under control of computer programs.
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Southbridge (computing)
The southbridge is one of the two chips in the core logic chipset on a personal computer (PC) motherboard, the other being the northbridge.
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Super I/O
Super I/O is a class of I/O controller integrated circuits that began to be used on personal computer motherboards in the late 1980s, originally as add-in cards, later embedded on the motherboards.
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System on a chip
A system on a chip or system on chip (SoC) is an integrated circuit (also known as an "IC" or "chip") that integrates all components of a computer or other electronic systems.
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Three-state logic
In digital electronics three-state, tri-state, or 3-state logic allows an output port to assume a high impedance state, effectively removing the output from the circuit, in addition to the 0 and 1 logic levels.
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UDMA
The Ultra DMA (Ultra Direct Memory Access, UDMA) interface was the fastest method used to transfer data through the ATA controller, usually between the computer and an ATA device.
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Vectored I/O
In computing, vectored I/O, also known as scatter/gather I/O, is a method of input and output by which a single procedure call sequentially reads data from multiple buffers and writes it to a single data stream, or reads data from a data stream and writes it to multiple buffers, as defined in a vector of buffers.
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Video card
A video card (also called a display card, graphics card, display adapter or graphics adapter) is an expansion card which generates a feed of output images to a display (such as a computer monitor).
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Word (computer architecture)
In computing, a word is the natural unit of data used by a particular processor design.
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X86-64
x86-64 (also known as x64, x86_64, AMD64 and Intel 64) is the 64-bit version of the x86 instruction set.
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Xeon
Xeon is a brand of x86 microprocessors designed, manufactured, and marketed by Intel, targeted at the non-consumer workstation, server, and embedded system markets.
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Redirects here:
Burst mode DMA, Burst mode direct memory access, Cycle steal DMA, Cycle steal direct memory access, Cycle stealing DMA, Cycle stealing direct memory access, DDIO, DMA burst, DMA channel, DMA controller, DMA engine, DMA request, DMA transfer, DRQ (DMA), DRQ (direct memory access), Data Direct I/O, Direct Memory Access, Direct memory access burst, Intel DDIO, Intel Data Direct I/O, Interleaved DMA, Interleaved direct memory access, Linked DMA, Linked Direct Memory Access, Linked direct memory access, Multiplexed DMA, Multiplexed direct memory access, Programmable DMA controller, Third-party DMA.
References
[1] https://en.wikipedia.org/wiki/Direct_memory_access
